EP0312946B1 - Elektronisches Zeitmessgerät - Google Patents

Elektronisches Zeitmessgerät Download PDF

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Publication number
EP0312946B1
EP0312946B1 EP88117197A EP88117197A EP0312946B1 EP 0312946 B1 EP0312946 B1 EP 0312946B1 EP 88117197 A EP88117197 A EP 88117197A EP 88117197 A EP88117197 A EP 88117197A EP 0312946 B1 EP0312946 B1 EP 0312946B1
Authority
EP
European Patent Office
Prior art keywords
motors
fact
situated
rotor
coaxial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP88117197A
Other languages
English (en)
French (fr)
Other versions
EP0312946A1 (de
Inventor
Michiel Groothuis
Christophe Bueche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kinetron BV
Original Assignee
Kinetron BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kinetron BV filed Critical Kinetron BV
Publication of EP0312946A1 publication Critical patent/EP0312946A1/de
Application granted granted Critical
Publication of EP0312946B1 publication Critical patent/EP0312946B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/08—Slave-clocks actuated intermittently
    • G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature

Definitions

  • the present invention relates to an electronic timepiece with analog display, the indicators of which are driven by two multi-pole motors, the rotors of these two motors being coaxial and being directly integral with the indicators which they drive, respectively.
  • Timepieces and often even wristwatches, which provide the most diverse time indications: ordinary time (hours, minutes and seconds), chronograph and its totalizers, fractions of seconds, calendars , days of the week, moon phases or any other astronomical indication, additional time indicators from different time zones, day-night indicators.
  • the object of the present invention is to provide a solution to this problem thanks to which the general arrangement of the motors of such a timepiece is particularly simple and compact.
  • the watch shown in figs. 1 and 2 comprises a movement, the frame of which is formed by a plate 1, a center bridge 2 and an intermediate bridge 3.
  • the armature of the upper motor designated in a way general by 6, and the armature of the lower motor, generally designated by 7, are arranged in a relative position such that the windings of these two motors, designated by 8 and by 9 respectively, are diametrically opposite. However, they may not be located strictly on the same diameter, but in the immediate vicinity thereof, the main thing being that they are arranged so as to minimize the magnetic influences of one of the motors on the other.
  • These motors are controlled by a quartz oscillator schematically represented at 10 in FIG. 1, the power being supplied by a battery 11 also visible in FIG. 4 a .
  • the rotor 5 is fixed to a floor 12 of the hub, designated by 12a, which it is mounted, this floor being pivoted on the one hand in the plate 1 and secondly in the intermediate deck 3.
  • rotor 4 it is mounted on a bearing surface 13 a which has a shaft 13 passing through the barrel, designated by 12 b , from the roadway 12. This shaft 13 is pivoted in the plate 2 on the one hand and in the barrel 12 b d 'somewhere else.
  • the roadway 12 is engaged with the wheel, designated by 14, of a reduction gear, the pinion of which, designated by 15, is engaged with a wheel 16 rotatably mounted on the barrel 12 b .
  • the shaft 13 secured to the rotor 4 carries a seconds hand 17 while the barrel 12 b secured to the rotor 5 carries a minutes hand 18, a sleeve 16 a which has the wheel 16 carrying an hour hand 19.
  • the timepiece shown in Figs. 3 to 5 comprises, like that of the first embodiment, two coaxial multipolar motors driving, in the same way as in the case of the first embodiment, hour hands 20, minutes 21 and seconds 22, the first and the last directly by their respective rotors 23 and 24.
  • the second hand 22 is a chronograph hand, being arranged to be able to be stopped and restarted at will.
  • the watch comprises three additional motors, arranged in a cross, that is to say two of which are situated on a diameter, indicated at 25 in FIG. 3, perpendicular to the diameter, indicated by 26, on which are located the windings, designated by 27 and 28, respectively, of the two coaxial central motors.
  • One or the other of the three needles 32 can moreover provide any other desired indication.
  • all of the indicators of the watches described and represented may provide indications different from those which were given as an example, such as fractions of seconds, dates, days of the week, phases of the moon or any other astronomical indication, additional indications of the time in different time zones or even constitute day-night indicators, including precisely the drive motor may be bipolar.
  • one or the other of the motors is controlled manually and then serves as unit counters (objects or points to be totaled).
  • a substrate which has not been shown, covers the movement and carries conductive tracks shown in FIG. 5 where some of them have been designated by 33.
  • the substrate also carries a microprocessor, indicated at 34 in FIG. 5.
  • Those of tracks 33 which end at the periphery of the movement terminate opposite push-buttons for controlling the various functions of the watch, in particular the chronograph, or for setting the time.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Communication Control (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Claims (7)

  1. Elektronische Uhr mit Analoganzeige, deren Zeiger (17, 18; 22, 21) von zwei Mehrpolmotoren angetrieben sind, deren Rotoren (4, 5; 24, 23 ) zueinander koaxial angeordnet und direkt mit dem jeweiligen Zeiger (17, 18; 22, 21), welchen sie antreiben, fest verbunden sind, dadurch gekennzeichnet, daß beide Mehrpolmotoren derart aufgebaut sind, daß sie eine Wicklung (8, 9; 28, 27) aufweisen, die einen Kern umgibt, welcher zu einem 2 Polschuhe bildenden Anker (6, 7) gehört, wobei zwischen den beiden Polschuhen der Rotor angeordnet ist, wobei einer (5; 23) der Rotoren fest mit einer rohrförmigen Welle (12) verbunden ist, welche einen (18; 21) der Zeiger trägt, und wobei der Rotor (4; 24) des anderen Motors eine Welle (13) trägt, welche in der rohrförmigen Welle (12) steckt und den anderen Zeiger (17; 22) trägt.
  2. Uhr nach Anspruch 1, dadurch gekennzeichnet, daß der Rotor (4, 5 bzw. 23, 24) mindestens einer der beiden Rotoren 60-polig ist.
  3. Uhr nach Anspruch 1, dadurch gekennzeichnet, daß mindestens einer der koaxialen Motoren indirekt einen zweiten Zeiger (19) über ein bewegliches Untersetzungsgetriebe antreibt, dessen eines Element (15) mit einem Rad (16) im Eingriff steht, welches mit seinem Rotor (5) fest verbunden ist.
  4. Uhr nach Anspruch 1, dadurch gekennzeichnet, daß die Polschuhe beider Koaxialmotoren derart angeordnet sind, daß die von ihnen getragenen Wicklungen ( 27, 28) im wesentlichen diametral gegenüber der gemeinsamen Achse (26) der Motoren angeordnet sind.
  5. Uhr nach Anspruch 1, dadurch gekennzeichnet, daß die Koaxialmotoren (24, 27, 28) in der Mitte der Uhr angeordnet sind, welche darüber hinaus mindestens einen am Umfang angeordneten zusätzlichen Motor (29, 30, 31) aufweist.
  6. Uhr nach Anspruch 5, dadurch gekennzeichnet, daß sie drei zusätzliche Umfangsmotoren (29-30-31) aufweist, von denen zwei, bezüglich des Mittelpunktes der Uhr, im wesentlichen diametral einander gegenüberstehen, und von denen einer auf einem Radius angeordnet ist, der im wesentlichen senkrecht zum Durchmesser steht, auf welchem die beiden anderen angeordnet sind.
  7. Uhr nach den Ansprüchen 4 und 6, dadurch gekennzeichnet, daß der Durchmesser, auf welchem der dritte Umfangsmotor (29-30-31) angeordnet ist, mit dem Durchmesser zusammenfällt, auf welchem die Wicklungen (27, 28) der beiden zentralen Koaxialmotoren liegen.
EP88117197A 1987-10-22 1988-10-15 Elektronisches Zeitmessgerät Expired - Lifetime EP0312946B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4140/87 1987-10-22
CH4140/87A CH672042B5 (de) 1987-10-22 1987-10-22

Publications (2)

Publication Number Publication Date
EP0312946A1 EP0312946A1 (de) 1989-04-26
EP0312946B1 true EP0312946B1 (de) 1992-06-24

Family

ID=4270565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88117197A Expired - Lifetime EP0312946B1 (de) 1987-10-22 1988-10-15 Elektronisches Zeitmessgerät

Country Status (4)

Country Link
EP (1) EP0312946B1 (de)
CH (1) CH672042B5 (de)
DE (1) DE3872348T2 (de)
ES (1) ES2034096T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69000181T2 (de) * 1989-04-21 1993-01-21 Ebauchesfabrik Eta Ag Elektronisches zeitmessgeraet mit mindestens zwei motoren.
CH677578GA3 (en) * 1989-11-17 1991-06-14 Watch or clock mechanism with two motor drives
EP0845850B1 (de) 1996-11-27 2002-09-18 Eta SA Fabriques d'Ebauches Elektromagnetischer Motor mit zwei koaxialen Rotoren
CH690632A5 (fr) * 1996-11-27 2000-11-15 Ebauchesfabrik Eta Ag Moteur électromagnétique à deux rotors coaxiaux.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712046A (en) * 1971-05-24 1973-01-23 H Dill Rotating ring display
GB1385714A (en) * 1971-08-25 1975-02-26 Dill H G Multi-phase rotating ring display device
FR2353889A1 (fr) * 1976-06-02 1977-12-30 Yema Ste Montre a quartz a fonctions multiples
CH626772GA3 (en) * 1979-12-14 1981-12-15 Electronic timekeeping device

Also Published As

Publication number Publication date
DE3872348T2 (de) 1992-12-10
ES2034096T3 (es) 1993-04-01
CH672042B5 (de) 1990-04-30
CH672042GA3 (de) 1989-10-31
DE3872348D1 (de) 1992-07-30
EP0312946A1 (de) 1989-04-26

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